CN216677135U

CN216677135U - Oil-immersed transformer filtering mechanism

Info

Publication number: CN216677135U
Application number: CN202123026882.3U
Authority: CN
Inventors: 刘丽强
Original assignee: Baoding Xiongjia Electric Manufacturing Co ltd
Current assignee: Baoding Xiongjia Electric Manufacturing Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-06-07
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to the technical field of power supply and distribution systems, and provides an oil-immersed transformer filtering mechanism which has less loss of oil liquid amount when a filtering plate is cleaned, is convenient for cleaning the filtering plate, and pushes impurities remained in the filtering box out of a filtering box, and comprises a transformer body, wherein the transformer body comprises a shell, a circulating pump is arranged on the shell, the circulating pump is communicated with the shell through an oil inlet pipe, the shell is communicated with an oil outlet three-way pipe, a pump inlet three-way pipe is arranged on the circulating pump, two ring boxes are arranged between the oil outlet three-way pipe and the pump inlet three-way pipe, the two ring boxes are communicated through two guide pipes, the two ring boxes are respectively and rotatably connected with a communicating plate, the two communicating plates are connected through a rotary adjusting component, the filtering box is arranged on the two guide pipes, the filtering box is provided with the filtering plate, and the filtering box is connected with a scraping plate through an electric push rod, and a sealing plate is arranged below the two filter boxes and is connected with the shell through a moving assembly.

Description

Oil-immersed transformer filtering mechanism

Technical Field

The utility model relates to the technical field of power supply and distribution systems, in particular to a filtering mechanism of an oil-immersed transformer.

Background

As is well known, a transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, wherein an oil immersed transformer is the longest used transformer, and the oil immersed transformer often generates impurities during operation, and the impurities in oil are required to be filtered to ensure the normal operation of the transformer.

Through the retrieval, chinese patent publication is CN 211479822U's utility model discloses a convenient oil-immersed transformer oil tank of clearance, including filter mechanism, filter mechanism includes the filter screen that sets up to the conveying part slope, the installation cover that three-way connection portion slidable set up relatively and respectively elasticity support in the installation cover with send the reset spring of oil pipe one end, it is when using, in the fluid circulation flow in-process, impurity can pile up on the filter screen, along with the increase of impurity, the filter screen removes to reset spring compression direction under the pressure push action of fluid together with the installation cover, the circulation entry of conveying part is no longer closed to the lateral wall of installation cover, accumulational impurity can fall into in the conveying part, after impurity discharges, initial position can be replied under reset spring's effect to filter screen and mount pad, the circulation entry of conveying part is closed again.

Among the foretell prior art scheme, after the inlet is opened at the flow, fluid can get into the conveying part through the circulation entry and discharge, and fluid volume can be littleer and littleer, influences the normal use of transformer easily to the impurity that blocks up on the filter screen glues and covers on the filter screen, is difficult to discharge, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a filtering mechanism of an oil-immersed transformer, which aims to solve the problems that after a flow inlet is opened, oil enters a conveying part through the flow inlet and is discharged, the oil quantity is smaller and smaller, the normal use of the transformer is easily influenced, and impurities blocked on a filter screen are adhered to the filter screen and are not easy to discharge in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a filtering mechanism of an oil-immersed transformer comprises a transformer body, wherein the transformer body comprises a shell, a circulating pump is installed at the bottom end of the shell, the output end of the circulating pump is communicated with the upper left side of the shell through an oil inlet pipe, an oil outlet three-way pipe is communicated with the lower right side of the shell, a pump inlet three-way pipe is installed at the input end of the circulating pump, an intercepting and adjusting component is installed between the oil outlet three-way pipe and the pump inlet three-way pipe and comprises two ring boxes which are respectively communicated with the oil outlet three-way pipe and the pump inlet three-way pipe, the two ring boxes are communicated through two guide pipes, communicating plates are respectively and rotatably connected on the two ring boxes, a communicating hole is formed in each communicating plate, the two communicating plates are connected through a rotating and adjusting component, filter boxes are respectively installed on the two guide pipes, a filter plate is installed on each filter box, and the top ends of the filter boxes are connected with scraping plates through electric push rods, the below of two rose boxes is provided with the closing plate, and the closing plate is connected with the casing through removing the subassembly.

Preferably, the rotation adjusting assembly comprises a rotating motor, the rotating motor is installed on the shell, the two communicating plates are connected through a communicating rod, and the output end of the rotating motor is in transmission connection with the communicating rod through a conveying belt.

Further, the movable assembly comprises two fixed frames, the two fixed frames are connected with the shell, two screw rods are connected between the two fixed frames in a rotating mode, two sliding blocks are meshed on the two screw rods, the two sliding blocks are fixedly connected with the sealing plate, the two screw rods are connected through belt transmission, the movable motor is installed on the two fixed frames, and the output end of the movable motor is connected with one of the two screw rods through the guide assembly.

Still further, the guide assembly includes a main trapezoidal gear and a slave trapezoidal gear, the main trapezoidal gear and the slave trapezoidal gear are respectively installed on the moving motor and one of the two screws, and the main trapezoidal gear and the slave trapezoidal gear are engaged.

As a further scheme of the scheme, the filter box is communicated with the shell through a plurality of supporting rods.

As a further scheme of the scheme, the oil inlet pipe, the oil outlet three-way pipe and the pump inlet three-way pipe are all provided with clamps, and the clamps are connected with the shell.

On the basis of the scheme, the oil inlet pipe is provided with a valve.

On the basis of the above solution, the ring box is further connected with the housing through a connecting block.

(III) advantageous effects

Compared with the prior art, the utility model provides a filtering mechanism of an oil-immersed transformer, which has the following beneficial effects:

1. according to the oil-immersed transformer filter mechanism, through the matching of the rotary adjusting assembly, the two ring boxes and the two communicating plates, the two communicating plates can be rotated through the rotary adjusting assembly, so that the rotary filtering path of oil can be replaced conveniently, the two sides of the filter box can be plugged before one filter plate is cleaned conveniently, and the loss of the oil amount is reduced when the filter plate is cleaned, so that the loss of the oil amount is less when the filter plate is cleaned by the oil-immersed transformer filter mechanism, and the practicability is higher.

2. According to the oil-immersed transformer filtering mechanism, the sealing plate can be conveniently moved below the two filtering boxes through the matching of the moving assembly and the sealing plate, the filtering boxes can be conveniently sealed in the oil filtering process, the filtering plates can be conveniently cleaned through the arrangement of the electric push rod and the scraper, and impurities remained in the filtering boxes are pushed out of the filtering boxes, so that the filtering mechanism of the oil-immersed transformer can be conveniently used for cleaning the filtering plates and pushing the impurities remained in the filtering boxes out of the filtering boxes, and the oil-immersed transformer filtering mechanism is high in practicability.

Drawings

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the utility model with the ring box, the connecting rod, the filtering box and the sealing plate.

In the figure: 1. a housing; 2. a circulation pump; 3. an oil inlet pipe; 4. an oil outlet three-way pipe; 5. a pump inlet three-way pipe; 6. a ring box; 7. a communication plate; 8. a filter box; 9. a filter plate; 10. an electric push rod; 11. a squeegee; 12. a sealing plate; 13. a rotating electric machine; 14. a communication rod; 15. a conveyor belt; 16. a fixing frame; 17. a screw; 18. a belt; 19. a moving motor; 20. a main trapezoidal gear; 21. a driven trapezoidal gear; 22. clamping a hoop; 23. and (4) a valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, an oil-immersed transformer filtering mechanism comprises a transformer body, the transformer body comprises a casing 1, a circulating pump 2 is installed at the bottom end of the casing 1, the output end of the circulating pump 2 is communicated with the upper left side of the casing 1 through an oil inlet pipe 3, the lower right side of the casing 1 is communicated with an oil outlet three-way pipe 4, the input end of the circulating pump 2 is provided with a pump inlet three-way pipe 5, an intercepting and adjusting assembly is installed between the oil outlet three-way pipe 4 and the pump inlet three-way pipe 5, so that the path of the circulating filtration can be conveniently changed, the cleaning can be conveniently carried out, the circulating pump 2 is opened, so that the oil in the casing 1 can be conveniently filtered in a circulating manner, the intercepting and adjusting assembly comprises two ring boxes 6, the two ring boxes 6 are respectively communicated with the oil outlet three-way pipe 4 and the pump inlet three-way pipe 5, the two ring boxes 6 are communicated through two guide pipes, the two ring boxes 6 are both rotatably connected with a communicating plate 7, and the communicating plate 7 is provided with a communicating hole, the two communicating plates 7 are connected through the rotary adjusting component, the two communicating plates 7 are convenient to rotate through the rotary adjusting component, the rotary filtering path of oil is convenient to replace, the two sides of the filtering box 8 are convenient to block before one filtering plate 9 is cleaned, the loss of the oil liquid amount is reduced when the filtering plate 9 is cleaned, the practicability is high, the filtering box 8 is installed on the two flow guide pipes, the filtering plate 9 is installed on the filtering box 8, the oil is convenient to filter, impurities are left on one side of the filtering plate 9 in the filtering box 8, the top end of the filtering box 8 is connected with the scraping plate 11 through the electric push rod 10, the sealing plate 12 is arranged below the two filtering boxes 8, the sealing plate 12 is connected with the shell 1 through the moving component, the position of the sealing plate 12 is moved through the moving component, the movement is convenient to be carried out below the two filtering boxes 8, and the sealing effect on the filtering box 8 in the oil filtering process is convenient, after filtering a period of time fluid through a filter 9, make closing plate 12 move to the below of the rose box 8 of opposite side, then open the electric putter 10 of this side, make electric putter 10 extension, make scraper blade 11 move down, and then be convenient for clear up the filter 9 of this side to the impurity that will remain in rose box 8 pushes away rose box 8.

Further, the rotary adjusting component comprises a rotary motor 13, the rotary motor 13 is installed on the shell 1, the two communicating plates 7 are connected through a communicating rod 14, the output end of the rotary motor 13 is in transmission connection with the communicating rod 14 through a conveyor belt 15, the communicating rod 14 is conveniently driven to rotate through the action of the conveyor belt 15 by opening the rotary motor 13, the two communicating plates 7 are further driven to rotate, so that the interception is convenient and the replacement and adjustment are carried out on two oil paths, the moving component comprises two fixed frames 16, the two fixed frames 16 are both connected with the shell 1, two screw rods 17 are rotatably connected between the two fixed frames 16, two sliding blocks are meshed on the two screw rods 17, the two sliding blocks are both fixedly connected with the sealing plate 12, the two screw rods 17 are in transmission connection through a belt 18, a moving motor 19 is installed on the two fixed frames 16, and by installing the moving motor 19 above the sealing plate 12, the device is convenient for reducing the adhesion of impurities to a moving motor 19 when the impurities are pushed out of the filter box 8, the output end of the moving motor 19 is connected with one screw 17 of two screws 17 through a guide component, the moving motor 19 is started, one screw 17 is driven to rotate through the action of the guide component, the two screws 17 synchronously rotate through the action of a belt 18, the sealing plate 12 is driven to move through the matching of the screws 17 and a sliding block, the sealing plate 12 is driven to move forwards or backwards through the forward rotation or the reverse rotation of the moving motor 19, the movement between the two filter boxes 8 is convenient, the guide component comprises a main trapezoidal gear 20 and a slave trapezoidal gear 21, the main trapezoidal gear 20 and the slave trapezoidal gear 21 are respectively arranged on the moving motor 19 and one screw 17 of the two screws 17, and the main trapezoidal gear 20 is meshed with the slave trapezoidal gear 21, open mobile motor 19, mobile motor 19 rotates and drives main trapezoidal gear 20 and rotate, main trapezoidal gear 20 rotates and drives and rotates from trapezoidal gear 21, and then drive a screw rod 17 and rotate, rose box 8 is through a plurality of branches and 1 intercommunication of casing, be convenient for increase the stability of rose box 8, advance oil pipe 3, all install clamp 22 on oil outlet three-way pipe 4 and the pump inlet three-way pipe 5, clamp 22 is connected with casing 1, be convenient for increase into oil pipe 3, the stability of oil outlet three-way pipe 4 and pump inlet three-way pipe 5, install valve 23 on advancing oil pipe 3, be convenient for cut-off, ring case 6 is connected with casing 1 through the connecting block, be convenient for increase ring case 6's stability.

It should be further noted that the circulation pump 2, the electric push rod 10, the rotary motor 13, the moving motor 19 and the valve 23 in this embodiment are all conventional devices commercially available and well known to those skilled in the art, the model can be selected or customized according to the actual requirement, and in the patent, the model is only used, and the structure and the function are not improved, the setting mode, the installation mode and the electrical connection mode of the device can be adjusted according to the requirements of the use specification by the technicians in the field, it is no longer repeated here, and circulating pump 2, electric putter 10, rotating electrical machines 13, moving electrical machines 19 and valve 23 all are provided with rather than supporting control switch, and control switch's mounted position selects according to the in-service use demand, and the operating personnel of being convenient for carry out operation control can.

In summary, the working principle and working process of the oil-immersed transformer filtering mechanism are that, when in use, the oil-immersed transformer filtering mechanism is firstly placed at a place to be used, the moving motor 19 is connected with a forward and reverse circuit according to the specification, the circulating pump 2 and the valve 23 are opened to circulate the oil in the shell 1, the oil is filtered by the two ring boxes 6 and the filtering box 8 at the rear side, after a period of filtering, the impurities in the filtering box 8 at the rear side are increased and remain on the filtering plate 9, the circulating pump 2 and the valve 23 are closed, the output end of the rotating motor 13 is rotated by one hundred eighty degrees by opening the rotating motor 13, the connecting rod 14 is conveniently driven to rotate by the action of the conveyor belt 15, the two connecting plates 7 are further driven to rotate by one hundred eighty degrees, the connecting hole is moved to the front side, and the replacement and adjustment are conveniently carried out on two oil paths, then, a moving motor 19 is started, the moving motor 19 rotates forwards, one screw rod 17 is driven to rotate under the action of a main trapezoidal gear 20 and a secondary trapezoidal gear 21, the two screw rods 17 rotate synchronously under the action of a belt 18, the sealing plate 12 is driven to move through the matching of the screw rods 17 and a sliding block, the sealing plate 12 is driven to move forwards to the position below the filter box 8 at the front side to seal the filter box 8 at the front side, then an electric push rod 10 at the rear side is started to extend the electric push rod 10 to enable a scraper 11 to move downwards, further the filter plate 9 at the side is convenient to clean, impurities remained in the filter box 8 are pushed out of the filter box 8, then a rotary pump and a valve 23 are started, the rotating motor 13 is continuously started after a period of time, the rotating motor 13 rotates by one hundred eighty degrees, a communication hole is rotated to the rear side, and an oil circulation filtering path at the rear side is convenient to replace, make the 19 reversal of moving motor, make closing plate 12 move to the below of the rose box 8 of rear side, filter box 8 to the rear side seals, open the electric putter 10 of front side, make scraper blade 11 clear up the filter 9 of front side and release rose box 8 with the impurity that will remain in rose box 8, then repeat above operation can, when clearing up filter 9, carry out the shutoff with the both sides of rose box 8, reduce the loss of oil liquid volume, and when clearing up, can clear up the impurity on the filter 9, be convenient for again clear up the impurity that remains in rose box 8, and the practicality is higher.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The oil immersed transformer filtering mechanism comprises a transformer body and is characterized in that the transformer body comprises a shell (1), a circulating pump (2) is installed at the bottom end of the shell (1), the output end of the circulating pump (2) is communicated with the upper left side of the shell (1) through an oil inlet pipe (3), the lower right side of the shell (1) is communicated with an oil outlet three-way pipe (4), a pump inlet three-way pipe (5) is installed at the input end of the circulating pump (2), an intercepting and adjusting assembly is installed between the oil outlet three-way pipe (4) and the pump inlet three-way pipe (5), the intercepting and adjusting assembly comprises two ring boxes (6), the two ring boxes (6) are respectively communicated with the oil outlet three-way pipe (4) and the pump inlet three-way pipe (5), the two ring boxes (6) are communicated with each other through two guide pipes, communicating plates (7) are rotatably connected on the two ring boxes (6), and a communicating hole is formed in each communicating plate (7), two communicating plates (7) are connected through a rotation adjusting assembly, a filter box (8) is installed on each of the two flow guide pipes, a filter plate (9) is installed on each filter box (8), the top end of each filter box (8) is connected with a scraper (11) through an electric push rod (10), a sealing plate (12) is arranged below each filter box (8), and each sealing plate (12) is connected with the corresponding shell (1) through a moving assembly.

2. Oil-filled transformer filter mechanism according to claim 1, characterized in that the rotation adjustment assembly comprises a rotating motor (13), the rotating motor (13) is mounted on the housing (1), the two communication plates (7) are connected through a communication rod (14), and the output end of the rotating motor (13) is in transmission connection with the communication rod (14) through a conveyor belt (15).

3. The oil-immersed transformer filter mechanism according to claim 2, wherein the moving assembly comprises two fixed frames (16), the two fixed frames (16) are both connected with the housing (1), two screws (17) are rotatably connected between the two fixed frames (16), two sliding blocks are engaged on the two screws (17), the two sliding blocks are both fixedly connected with the sealing plate (12), the two screws (17) are in transmission connection through a belt (18), a moving motor (19) is mounted on the two fixed frames (16), and an output end of the moving motor (19) is connected with one screw (17) of the two screws (17) through a guide assembly.

4. Oil filled transformer filter mechanism according to claim 3, characterized in that the guiding assembly comprises a master trapezoidal gear (20) and a slave trapezoidal gear (21), the master trapezoidal gear (20) and the slave trapezoidal gear (21) are respectively mounted on the moving motor (19) and one screw (17) of the two screws (17), and the master trapezoidal gear (20) and the slave trapezoidal gear (21) are meshed.

5. Oil filled transformer filter arrangement according to claim 4, characterized in that the filter tank (8) is in communication with the housing (1) via a number of struts.

6. The oil-immersed transformer filtering mechanism according to claim 5, wherein clamps (22) are mounted on the oil inlet pipe (3), the oil outlet three-way pipe (4) and the pump inlet three-way pipe (5), and the clamps (22) are connected with the shell (1).

7. Oil filled transformer filter according to claim 6, characterized in that a valve (23) is mounted on the oil inlet tube (3).

8. Oil filled transformer filtering mechanism according to claim 7, characterized in that the ring box (6) is connected to the housing (1) by a connection block.